/Engine/Source/Editor/PropertyEditor/Public/PropertyCustomizationHelpers.h
Build a combo button that you bind to a Name/String/Enum property or display using general delegates, using an arguments structure
namespace PropertyCustomizationHelpers { [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< [SWidget](API\Runtime\SlateCore\Widgets\SWidget) > PropertyCustomizationHelpers::MakePropertyComboBox ( const [FPropertyComboBoxArgs](API\Editor\PropertyEditor\FPropertyComboBoxArgs) & InArgs ) }